SmogRank / Countries / South Africa / July 2025
Most polluted cities in South Africa, July 2025
2 cities in South Africa ranked by their average PM2.5 over the 31 days. Worst: Shakaskraal at 29.6 µg/m³, #43 of 2,283 cities in the world. Cleanest: Richards Bay at 14.0. A city needs measurements on 70% of the days to be ranked.
- 1Shakaskraallow-cost sensorsKwaZulu-Natal 29.6
- 2Richards Baylow-cost sensorsKwaZulu-Natal 14.0
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
All cities in the world, July 2025 · South Africa now
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SmogRank, most polluted cities in South Africa, PM2.5, July 2025, smogrank.com/za/history/2025-07 (accessed 2 Oct 2026).
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